VulnerabilityDeferred

CVE-2025-66265

CMService.exe creates the C:\\usr directory and subdirectories with insecure permissions, granting write access to all authenticated users.

MEDIUM 6.9EPSS 0.11%

Does this matter?

Lower severity and a low EPSS score (0.11%). Track it; it rarely justifies an emergency change on its own.

Description

CMService.exe creates the C:\\usr directory and subdirectories with insecure permissions, granting write access to all authenticated users. This allows attackers to replace configuration files (such as snmp.conf) or hijack DLLs to escalate privileges.

CVSS 4.0: 6.9 MEDIUMCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:L/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
EPSS: 0.11% probability · 2th percentile
CISA KEV: Not listed
Weakness: CWE-269
Source: b7efe717-a805-47cf-8e9a-921fca0ce0ce

References

https://www.megatec.com.tw/software-download/

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.